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%T Time-Varying Optimal Hedge Ratio for Brent Oil Market %A Hamldar, Monire %A Mehrara, Mohsen %J International Letters of Social and Humanistic Sciences %N 56 %P 103-106 %D 2015 %K BEKK; Efficiency; Multivariate GARCH Models; OHR %@ 2300-2697 %X This paper examines the optimal hedging ratio (OHR) for the Brent Crude Oil Futures using daily data over the period 1990/17/8-2014/11/3. To estimate OHR, we employ multivariate BEKK MV-GARCH model. At last, the efficiency of this approach are compared with the constant OHR captured from OLS through Edrington's index. %C CHE %G en %9 Zeitschriftenartikel %W GESIS - http://www.gesis.org %~ SSOAR - http://www.ssoar.info